Title :
Elliptic filtering in continuous-time sigma-delta modulator
Author :
Le Guillou, Y. ; Fakhoury, Hussein
Author_Institution :
Lab. de Microelectronique Philips Semicond., Caen, France
Abstract :
An improved continuous-time sigma-delta (/spl Sigma//spl Delta/) architecture with elliptic signal transfer function is presented. It is demonstrated that the UTRA/FDD band 1 interferer filtering can be fully achieved within the sigma-delta loop.
Keywords :
filtering theory; optical transfer function; sigma-delta modulation; UTRA-FDD band 1; continuous time sigma-delta architecture; continuous time sigma-delta modulator; elliptic filtering; elliptic signal transfer function; interferer filtering; sigma-delta loop;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20057874
